CN111470213A - Environment-friendly and energy-saving garbage can - Google Patents
Environment-friendly and energy-saving garbage can Download PDFInfo
- Publication number
- CN111470213A CN111470213A CN202010335774.5A CN202010335774A CN111470213A CN 111470213 A CN111470213 A CN 111470213A CN 202010335774 A CN202010335774 A CN 202010335774A CN 111470213 A CN111470213 A CN 111470213A
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 49
- 230000006835 compression Effects 0.000 claims abstract description 22
- 238000007906 compression Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000010865 sewage Substances 0.000 claims description 30
- 230000007613 environmental effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/12—Refuse receptacles; Accessories therefor with devices facilitating emptying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
- B65F1/1405—Compressing means incorporated in, or specially adapted for, refuse receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F2210/00—Equipment of refuse receptacles
- B65F2210/162—Pressing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F2210/00—Equipment of refuse receptacles
- B65F2210/172—Solar cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an environment-friendly and energy-saving garbage can which is characterized in that: including under casing, bucket case, roof-rack, power drive subassembly, control panel and automatic switch and compression subassembly, bucket case fixed mounting is on the under casing, and roof-rack fixed mounting is at the top of bucket case, and power drive subassembly installs inside the under casing, and control panel installs in one side of roof-rack, and automatic switch and compression subassembly fixed mounting are inboard at bucket roof portion, automatic switch and compression subassembly include: the garbage can comprises a main gear, a toothed ring, a fixed ring and a plurality of door plates, wherein the main gear and the outer side of the toothed ring are in tooth meshing transmission, the toothed ring is installed in the can box in a communicating mode, the fixed ring is fixed on the inner side of the top of the can box, and two ends, far away from the axis of the fixed ring, of each door plate are hinged to the fixed ring and a connecting rod respectively.
Description
Technical Field
The invention relates to the technical field of garbage cans, in particular to an environment-friendly and energy-saving garbage can.
Background
Along with the development of the times, people pay more and more attention to energy conservation and environmental protection to save the existing energy consumption, advocate the development of environment-friendly new energy and benefit the society, and one problem of domestic garbage treatment at present is garbage compression, and garbage occupies a large space in storage and transportation, so that huge troubles are caused to garbage storage and transportation. But the volume of garbage bin is certain, and many times, several bulky rubbish just can fill up the garbage bin, but most rubbish itself is hollow, and is bulky, and this has just caused certain space waste, and present garbage bin all can't accomplish to compress at any time, can not in time compress some hollow easy open cans, gas filled foam or plastics, and ordinary garbage bin can't handle the liquid in the rubbish moreover, lets it flow out and can pollute soil.
The patent No. CN 109230069A provides an environment-friendly and energy-saving garbage can, which comprises a base, wherein mounting holes are arranged on both sides of the top of the base, a water storage tank is fixedly connected to the top of the base, an activated carbon filter screen is arranged between both sides of the inner cavity of the water storage tank, the left bottom of the water storage tank is communicated with a water outlet pipe, the left side of the water outlet pipe is communicated with a pipe cover, a support plate is fixedly connected to the top of the water storage tank, a box body is fixedly connected to both sides of the support plate, a storage barrel is arranged in the inner cavity of the box body, limit blocks are arranged on both sides of the bottom of the storage barrel, one side of the limit blocks, which is close to the inner wall of the box body, is fixedly connected with the inner wall of the box body, a filter plate is fixedly connected to the, the top fixedly connected with baffle of backup pad, the equal fixedly connected with electric telescopic handle in both sides of baffle bottom, the bottom of electric telescopic handle output runs through to the inner chamber and the fixedly connected with clamp plate of box, and the opening has all been seted up to two opposite one sides of box, the left side swing joint on box obverse surface has the chamber door. The garbage can is complex in structure and inconvenient to operate, and has the advantages of being easy to diffuse due to the heavy peculiar smell of garbage, influencing ambient air and being large in power consumption.
Disclosure of Invention
The invention aims to provide an environment-friendly and energy-saving garbage can to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an environmental protection and energy saving garbage bin, includes under casing, bucket case, roof-rack, power drive subassembly, control panel and automatic switch and compression subassembly, bucket case fixed mounting on the under casing and with the under casing intercommunication, roof-rack fixed mounting is at the top of bucket case, power drive subassembly installs inside the under casing, control panel installs in one side of roof-rack, automatic switch and compression subassembly fixed mounting are inboard at bucket roof portion, automatic switch and compression subassembly are connected with the power drive subassembly transmission, control panel is connected with the power drive subassembly electricity, automatic switch and compression subassembly include: the main gear is connected with the power driving assembly in a transmission mode, the main gear is meshed with tooth parts on the outer sides of the tooth rings in a transmission mode, the tooth rings are installed in the barrel box in a penetrating mode, the fixing rings are fixed on the inner side of the top of the barrel box, all the door plates are matched with each other to form a closed door ring with the same outer diameter as that of the fixing rings, and two ends, far away from the axis of the fixing rings, of each door plate are hinged to the fixing rings and a connecting rod respectively.
Preferably, the automatic switch and compression assembly further comprises a screw rod, a ring rail and a guide rod, the screw rod and the guide rod are respectively inserted into two sides of the interior of the barrel box, one end of the screw rod, penetrating through the ring rail, is fixedly connected with the main gear, the screw rod is in threaded connection with the ring rail, the upper end of the guide rod penetrates through the other end of the ring rail and is in sliding connection with the ring rail, the lower end of the screw rod is in transmission connection with the power supply driving assembly, and the ring rail is located below the toothed ring and is in sliding connection with the toothed ring.
Preferably, both ends of all the connecting rods are respectively hinged with the top of the toothed ring and a corresponding door panel.
Preferably, the power driving assembly comprises a storage battery and a speed reducing motor, the storage battery and the speed reducing motor are both arranged at the bottom of the bottom box, the output end of the speed reducing motor is fixedly connected with the lower end of the screw rod, the storage battery is electrically connected with the speed reducing motor and the control panel, and the speed reducing motor is electrically connected with the control panel.
Preferably, a sewage funnel is fixedly installed at the bottom of the barrel box, and the bottom of the sewage funnel is communicated with the bottom box.
Preferably, the bottom of the sewage funnel is clamped with a filter plate.
Preferably, the bottom case is divided into an upper layer and a lower layer, a sewage collecting box is placed on the upper layer of the bottom case and communicated with the sewage funnel, and the storage battery and the speed reduction motor are installed on the lower layer of the bottom case.
Preferably, the wall of the barrel box is hinged with a box door, one side of the box door, which is far away from the hinged end, and the wall of the box at the corresponding position are provided with electric control switches, and the electric control switches are electrically connected with the control panel.
Preferably, solar panels are paved on the outer surfaces of the barrel box and the top frame, and all the solar panels are electrically connected with the storage battery.
Compared with the prior art, the invention has the beneficial effects that: according to the garbage can, the on-off control of the garbage can and the compression of garbage are realized through the automatic switch and the compression assembly, the garbage can is convenient to operate, the solid-liquid separation of the garbage is realized, and meanwhile, various energy supply modes such as solar energy are adopted, so that the garbage can is energy-saving and environment-friendly.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a cross-sectional view at C-C in fig. 3.
Fig. 5 is an exploded view of the present invention.
Fig. 6 is an enlarged view at D in fig. 4.
Fig. 7 is a cross-sectional view at E-E in fig. 2.
In the figure: the automatic sewage treatment device comprises a bottom box 1, a barrel box 2, a top frame 3, a power supply driving assembly 4, a control panel 5, an automatic switch and compression assembly 6, a sewage collection box 101, a sewage funnel 201, a filter plate 202, a box door 203, an electric control switch 204, a storage battery 401, a speed reduction motor 402, a main gear 601, a toothed ring 602, a fixing ring 603, a door plate 604, a connecting rod 605, a screw 606, a ring rail 607 and a guide rod 608.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides an environmental protection and energy saving garbage bin, including under casing 1, bucket case 2, roof-rack 3, power drive subassembly 4, control panel 5 and automatic switch and compression subassembly 6, 2 fixed mounting of bucket case on under casing 1 and communicate with under casing 1, 3 fixed mounting at the top of bucket case 2 on the roof-rack, power drive subassembly 4 is installed inside under casing 1, control panel 5 is installed in one side of roof-rack 3, 6 fixed mounting of automatic switch and compression subassembly are inboard at 2 tops of bucket case, automatic switch and compression subassembly 6 are connected with 4 transmissions of power drive subassembly, control panel 5 is connected with 4 electricity of power drive subassembly, automatic switch and compression subassembly 6 include: the main gear 601 is in transmission connection with the power supply driving assembly 4, the outer sides of the main gear 601 and the toothed ring 602 are in tooth meshing transmission, the toothed ring 602 is installed in the barrel case 2, the fixing ring 603 is fixed on the inner side of the top of the barrel case 2, all the door panels 604 are mutually matched to form a closed door ring with the same outer diameter as the fixing ring 603, and two ends of each door panel 604, which are far away from the axis of the fixing ring 603, are hinged to the fixing ring 603 and a connecting rod 605 respectively.
The automatic switch and compression assembly 6 further comprises a screw 606, a ring rail 607 and a guide rod 608, the screw 606 and the guide rod 608 are respectively inserted into two sides of the interior of the tub 2, the upper end of the screw 606 penetrates one end of the ring rail 607 and is fixedly connected with the main gear 601, the screw 606 is in threaded connection with the ring rail 607, the upper end of the guide rod 608 penetrates the other end of the ring rail 607 and is in sliding connection with the ring rail 607, the lower end of the screw 606 is in transmission connection with the power driving assembly 4, and the ring rail 607 is located below the toothed ring 602 and is in sliding connection with the toothed ring 602. The power driving assembly 4 drives the screw 606 to rotate forward to drive the main gear 601 to rotate, and further drive the toothed ring 602 to slide on the ring rail 607, after the engagement transmission between the main gear 601 and the toothed portion of the toothed ring 602 is finished, the toothed ring 602 stops rotating, and the screw 606 continues to rotate to drive the ring rail 607 to move downward along the length direction of the screw 606, and further drive the toothed ring 602 and the fixed ring 603 to compress garbage downward, otherwise, the toothed ring 602 and the fixed ring 603 will return to the original position when the screw 606 rotates.
Both ends of all the connecting rods 605 are respectively hinged with the top of the toothed ring 602 and a corresponding door panel 604. The main gear 601 rotates to drive the toothed ring 602 to rotate, and further drives the connecting rod 605 to move, and the connecting rod 605 drives the corresponding door panel 604 to rotate around the hinge point on the fixing ring 603, so as to open and close the door panel 604.
The power driving assembly 4 comprises a storage battery 401 and a speed reducing motor 402, the storage battery 401 and the speed reducing motor 402 are both installed at the bottom of the bottom box 1, the output end of the speed reducing motor 402 is fixedly connected with the lower end of a screw 606, the storage battery 401, the speed reducing motor 402 and the control panel 5 are both electrically connected, and the speed reducing motor 402 is electrically connected with the control panel 5. By operating the control panel 5, the speed reducing motor 402 and the electric control switch 204 are controlled to work, and further the door plate 604 is controlled to be opened and closed and the garbage is compressed.
The bottom of the barrel box 2 is fixedly provided with a sewage funnel 201, and the bottom of the sewage funnel 201 is communicated with the bottom box 1. The sewage funnel 201 guides sewage into the sewage collection tank 101.
The bottom of the sewage funnel 201 is clamped with a filter plate 202. The filter plate 202 filters the garbage to prevent the garbage from clogging the sewage funnel 201.
The bottom case 1 is divided into an upper layer and a lower layer, the sewage collecting tank 101 is placed on the upper layer of the bottom case 1, the sewage collecting tank 101 is communicated with the sewage funnel 201, and the storage battery 401 and the speed reducing motor 402 are installed on the lower layer of the bottom case 1. The sewage collecting box 101 collects sewage in the garbage, so that solid-liquid separation and fermentation are prevented, and the sewage collecting box 101 can be taken out from the bottom box 1.
The wall of the barrel box 2 is hinged with a box door 203, one side of the box door 203 far away from the hinged end and the wall of the corresponding position are provided with an electric control switch 204, and the electric control switch 204 is electrically connected with the control panel 5. The opening and closing of the box door 203 can be controlled by controlling the control panel 5, so that the personnel can clean the garbage conveniently.
Solar panels are paved on the outer surfaces of the barrel box 2 and the top frame 3, and all the solar panels are electrically connected with the storage battery 401. The storage battery 401 is powered by solar energy, so that the solar energy-saving solar energy water heater is environment-friendly and energy-saving.
The working principle is as follows: the garbage can supplies power to the storage battery 401 through solar energy, is environment-friendly and energy-saving, can control the opening and closing of the box door 203 through the control panel 5, and is convenient for personnel to clean garbage. The sewage collecting box 101 collects sewage in the garbage, so that solid-liquid separation and fermentation are prevented, and the sewage collecting box 101 can be taken out from the bottom box 1. By operating the control panel 5, the speed reducing motor 402 and the electric control switch 204 are controlled to work, and further the door plate 604 is controlled to be opened and closed and the garbage is compressed. The power driving assembly 4 drives the screw 606 to rotate forward to drive the main gear 601 to rotate, and further drive the toothed ring 602 to slide on the ring rail 607, after the engagement transmission between the main gear 601 and the toothed portion of the toothed ring 602 is finished, the toothed ring 602 stops rotating, and the screw 606 continues to rotate to drive the ring rail 607 to move downward along the length direction of the screw 606, and further drive the toothed ring 602 and the fixed ring 603 to compress garbage downward, otherwise, the toothed ring 602 and the fixed ring 603 will return to the original position when the screw 606 rotates. The main gear 601 rotates to drive the toothed ring 602 to rotate, and further drives the connecting rod 605 to move, and the connecting rod 605 drives the corresponding door panel 604 to rotate around the hinge point on the fixing ring 603, so as to open and close the door panel 604.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an environmental protection and energy saving garbage bin which characterized in that: including under casing (1), bucket case (2), roof-rack (3), power drive assembly (4), control panel (5) and automatic switch and compression subassembly (6), bucket case (2) fixed mounting on under casing (1) and communicate with under casing (1), roof-rack (3) fixed mounting is at the top of bucket case (2), install inside under casing (1) power drive assembly (4), one side at roof-rack (3) is installed in control panel (5), automatic switch and compression subassembly (6) fixed mounting are inboard at bucket case (2) top, automatic switch and compression subassembly (6) are connected with power drive assembly (4) transmission, control panel (5) are connected with power drive assembly (4) electricity, automatic switch and compression subassembly (6) include: the novel toilet bowl comprises a main gear (601), a toothed ring (602), a fixing ring (603) and a plurality of door plates (604), wherein the main gear (601) is in transmission connection with a power supply driving assembly (4), the outer sides of the main gear (601) and the toothed ring (602) are in toothed part meshing transmission, the toothed ring (602) is installed in a barrel box (2) in a penetrating mode, the fixing ring (603) is fixed on the inner side of the top of the barrel box (2), all the door plates (604) are matched with each other to form a closed door ring with the same outer diameter as that of the fixing ring (603), and two ends, far away from the axis of the fixing ring (603), of each door plate (604) are hinged to the fixing ring (603) and a connecting rod (605).
2. The environment-friendly and energy-saving trash can of claim 1, wherein: the automatic switch and compression assembly (6) further comprises a screw rod (606), a ring rail (607) and a guide rod (608), the screw rod (606) and the guide rod (608) are respectively inserted into two sides of the interior of the barrel box (2), one end of the screw rod (606) penetrates through the ring rail (607) and is fixedly connected with the main gear (601), the screw rod (606) is in threaded connection with the ring rail (607), the upper end of the guide rod (608) penetrates through the other end of the ring rail (607) and is in sliding connection with the ring rail (607), the lower end of the screw rod (606) is in transmission connection with the power supply driving assembly (4), and the ring rail (607) is located below the toothed ring (602) and is in sliding connection with the toothed ring (602).
3. The environment-friendly and energy-saving trash can of claim 1, wherein: both ends of all the connecting rods (605) are respectively hinged with the top of the toothed ring (602) and a corresponding door panel (604). The main gear (601) rotates to drive the toothed ring (602) to rotate, so that the connecting rod (605) is pushed to move, and the connecting rod (605) drives the corresponding door panel (604) to rotate around a hinge point on the fixing ring (603), so that the door panel (604) is opened and closed.
4. The environment-friendly and energy-saving trash can of claim 1, wherein: the power supply driving assembly (4) comprises a storage battery (401) and a speed reducing motor (402), the storage battery (401) and the speed reducing motor (402) are both arranged at the bottom of the bottom box (1), the output end of the speed reducing motor (402) is fixedly connected with the lower end of a screw (606), the storage battery (401) is electrically connected with the speed reducing motor (402) and the control panel (5), and the speed reducing motor (402) is electrically connected with the control panel (5).
5. The environment-friendly and energy-saving trash can of claim 1, wherein: the bottom of the barrel box (2) is fixedly provided with a sewage funnel (201), and the bottom of the sewage funnel (201) is communicated with the bottom box (1).
6. The environment-friendly and energy-saving trash can of claim 1, wherein: the bottom joint of sewage funnel (201) has filter (202).
7. The environment-friendly and energy-saving trash can of claim 1, wherein: the bottom case (1) is divided into an upper layer and a lower layer, the sewage collecting box (101) is placed on the upper layer of the bottom case (1), the sewage collecting box (101) is communicated with the sewage funnel (201), and the storage battery (401) and the speed reducing motor (402) are installed on the lower layer of the bottom case (1).
8. The environment-friendly and energy-saving trash can of claim 1, wherein: the wall of the barrel box (2) is hinged with a box door (203), one side of the box door (203) far away from the hinged end and the wall of the corresponding position are provided with an electric control switch (204), and the electric control switch (204) is electrically connected with the control panel (5).
9. The environment-friendly and energy-saving trash can of claim 1, wherein: solar panels are paved on the outer surfaces of the barrel box (2) and the top frame (3), and all the solar panels are electrically connected with the storage battery (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010335774.5A CN111470213A (en) | 2020-04-25 | 2020-04-25 | Environment-friendly and energy-saving garbage can |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010335774.5A CN111470213A (en) | 2020-04-25 | 2020-04-25 | Environment-friendly and energy-saving garbage can |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111470213A true CN111470213A (en) | 2020-07-31 |
Family
ID=71755711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010335774.5A Withdrawn CN111470213A (en) | 2020-04-25 | 2020-04-25 | Environment-friendly and energy-saving garbage can |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111470213A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113548334A (en) * | 2021-08-20 | 2021-10-26 | 陈龙 | Office classification garbage can |
-
2020
- 2020-04-25 CN CN202010335774.5A patent/CN111470213A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113548334A (en) * | 2021-08-20 | 2021-10-26 | 陈龙 | Office classification garbage can |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200731 |
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| WW01 | Invention patent application withdrawn after publication |